The New South Wales Police Association is calling for its officers to be better trained and equipped to take down "lone wolf" terrorists, and it wants general duties officers to be assigned long-range firearms.

An inquest hears details of the chaotic final moments of the Sydney siege, with cafe manager Tori Johnson shot in the head by gunman Man Haron Monis and fellow hostage Katrina Dawson killed by police bullet fragments in the ensuing shootout.